---
title: Which of the following statements most accurately characterises the… — China's great rivers: the finless porp… · tree and pragmatics
description: Which of the following statements most accurately characterises the number of extant species of alligator? Exam question 3 of lesson 379 «China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon» of the biology course of Mova's primary school, with the dependency t
---

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# Exam question 3 · China's great rivers: the finless porpoise, the lost baiji…

<!-- .ven lang=en -->
Which of the following statements most accurately characterises the number of extant species of alligator?

<!-- .vintro -->
**Mova's choice:** option 1 · **The right answer:** option 1 · right ✓ · **What happens:** follow, characteris · **To what, where:** number

<!-- .vabout -->
This is exam question 3 of lesson 379 «China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon» of the biology course of Mova's primary school, asked in stiff, formal language. The page gives the question's syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause, then the 4 options as the student saw them, each with its tree and pragmatics. Every text is parsed by Mova itself. How the student answered it, with the score of every option and why: [the test at school](https://md.mova.elamur.ai/free/en/school-run/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/#e3).

## The question {#question}

```conllu
# sent_id = question:biology:379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon:e3:1
# text = Which of the following statements most accurately characterises the number of extant species of alligator?
1	Which	which	PRON	WDT	PronType=Rel	8	nsubj	_	_
2	of	of	ADP	IN	_	5	case	_	_
3	the	the	DET	DT	Definite=Def|PronType=Art	5	det	_	_
4	following	follow	VERB	VBG	VerbForm=Ger	5	amod	_	_
5	statements	statement	NOUN	NNS	Number=Plur	8	obl	_	_
6	most	most	ADV	RBS	Degree=Sup	7	advmod	_	_
7	accurately	accurately	ADV	RB	_	8	advmod	_	_
8	characterises	characteris	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	number	number	NOUN	NN	Number=Sing	8	obj	_	_
11	of	of	ADP	IN	_	13	case	_	_
12	extant	extant	ADJ	JJ	Degree=Pos	13	amod	_	_
13	species	species	NOUN	NNS	Number=Plur	10	nmod	_	_
14	of	of	ADP	IN	_	15	case	_	_
15	alligator	alligator	NOUN	NN	Number=Sing	13	nmod	_	SpaceAfter=No
16	?	?	PUNCT	.	_	8	punct	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **follow** | gerund |  |  |  |  |  |  | vn occur-48.3-1 «NP V»: agent=Theme |
| 2 | **characteris** | present |  | the number of extant species of alligator |  |  |  | of the following statements; accurately *property* | tree rules |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

## The options {#options}

### Option 1 · ← Mova's choice · ✓ the right answer {#o1}

<!-- .ven lang=en -->
Two species are extant, the American and the Chinese

```conllu
# sent_id = question:biology:379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon:e3:o1:1
# text = Two species are extant, the American and the Chinese
1	Two	two	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	species	species	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	extant	extant	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
5	,	,	PUNCT	,	_	7	punct	_	_
6	the	the	DET	DT	Definite=Def|PronType=Art	7	det	_	_
7	American	American	ADJ	JJ	Degree=Pos	4	conj	_	_
8	and	and	CCONJ	CC	_	10	cc	_	_
9	the	the	DET	DT	Definite=Def|PronType=Art	10	det	_	_
10	Chinese	Chinese	ADJ	JJ	Degree=Pos	4	conj	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Two species |  |  |  |  | extant *property* | tree rules |
| 2 | **be** |  | Two species *not said here* |  |  |  |  |  | tree rules |
| 3 | **be** |  | Two species *not said here* |  |  |  |  |  | tree rules |

### Option 2 {#o2}

<!-- .ven lang=en -->
A single species is extant, namely the American

```conllu
# sent_id = question:biology:379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon:e3:o2:1
# text = A single species is extant, namely the American
1	A	a	DET	DT	Definite=Ind|PronType=Art	3	det	_	_
2	single	single	ADJ	JJ	Degree=Pos	3	amod	_	_
3	species	species	NOUN	NN	Number=Sing	5	nsubj	_	_
4	is	be	AUX	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	5	cop	_	_
5	extant	extant	ADJ	JJ	Degree=Pos	0	root	_	SpaceAfter=No
6	,	,	PUNCT	,	_	7	punct	_	_
7	namely	namely	ADJ	JJ	Degree=Pos	5	conj	_	_
8	the	the	DET	DT	Definite=Def|PronType=Art	9	det	_	_
9	American	American	ADJ	JJ	Degree=Pos	5	obl:unmarked	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | a single species |  |  |  |  | the American *obl:unmarked*; extant *property* | tree rules |
| 2 | **be** |  | a single species *not said here* |  |  |  |  |  | tree rules |

### Option 3 {#o3}

<!-- .ven lang=en -->
Ten species are extant

```conllu
# sent_id = question:biology:379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon:e3:o3:1
# text = Ten species are extant
1	Ten	ten	NUM	CD	NumForm=Word|NumType=Card	2	nummod	_	_
2	species	species	NOUN	NNS	Number=Plur	4	nsubj	_	_
3	are	be	AUX	VBP	Mood=Ind|Number=Plur|Person=3|Tense=Pres|VerbForm=Fin	4	cop	_	_
4	extant	extant	ADJ	JJ	Degree=Pos	0	root	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **is** | present | Ten species |  |  |  |  | extant *property* | tree rules |

### Option 4 {#o4}

<!-- .ven lang=en -->
No species of alligator survives in the wild

```conllu
# sent_id = question:biology:379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon:e3:o4:1
# text = No species of alligator survives in the wild
1	No	no	DET	DT	PronType=Neg	2	det	_	_
2	species	species	NOUN	NNS	Number=Plur	5	nsubj	_	_
3	of	of	ADP	IN	_	4	case	_	_
4	alligator	alligator	NOUN	NN	Number=Sing	2	nmod	_	_
5	survives	survive	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
6	in	in	ADP	IN	_	8	case	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	wild	wild	NOUN	NN	Number=Sing	5	obl	_	_
```

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **survive** | present | no species of alligator |  |  | the wild |  |  | vn exist-47.1-1 «NP V PP.location»: agent=Theme in wild=Location |

<!-- div src -->

**Text:** the tests of Mova's primary school, written for Mova (`world/data/school/`), as the course runner gave them to the student. **Trees:** Mova's own parse — the `en` model on the CPU, when the site is built — not checked by a teacher; they may be wrong. **Frames:** Mova's frames reader (`prag`), each text read on its own. Elamur Cosmic License.

<!-- /div -->

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- ← previous: [China's great rivers: the finless porp…, exam 2](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/e2/)
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- ↑ back to [China's great rivers: the finless porpoise, the lost baiji, Chinese alligators and sturgeon](https://md.mova.elamur.ai/free/en/corpora/questions/biology/379-china-s-great-rivers-the-finless-porpoise-the-lost-baiji-chinese-alligators-and-sturgeon/)